EP3789508A4 - Yield strength 460 mpa grade hot-rolled high-toughness low-temperature-resistant h-beam and preparation method therefor - Google Patents

Yield strength 460 mpa grade hot-rolled high-toughness low-temperature-resistant h-beam and preparation method therefor Download PDF

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Publication number
EP3789508A4
EP3789508A4 EP18918599.4A EP18918599A EP3789508A4 EP 3789508 A4 EP3789508 A4 EP 3789508A4 EP 18918599 A EP18918599 A EP 18918599A EP 3789508 A4 EP3789508 A4 EP 3789508A4
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EP
European Patent Office
Prior art keywords
resistant
preparation
temperature
yield strength
method therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18918599.4A
Other languages
German (de)
French (fr)
Other versions
EP3789508B1 (en
EP3789508A1 (en
Inventor
Zhongxue WANG
Peilin ZHAO
Wenxi Han
Chao Li
Weida GUO
Jinlin FANG
Xiuhui GUO
Yuli Wu
Dong Yang
Chuandong Zhao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Co Ltd
Original Assignee
Shandong Iron and Steel Co Ltd
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Application filed by Shandong Iron and Steel Co Ltd filed Critical Shandong Iron and Steel Co Ltd
Publication of EP3789508A4 publication Critical patent/EP3789508A4/en
Publication of EP3789508A1 publication Critical patent/EP3789508A1/en
Application granted granted Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
EP18918599.4A 2018-05-16 2018-12-14 Hot-rolled high-toughness and low-temperature-resistant h-shaped steel with yield strength of 460 mpa and preparation method therefor Active EP3789508B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810467000.0A CN108642381B (en) 2018-05-16 2018-05-16 Hot-rolled high-toughness low-temperature-resistant H-shaped steel with yield strength of 460MPa and preparation method thereof
PCT/CN2018/121100 WO2019218657A1 (en) 2018-05-16 2018-12-14 Yield strength 460 mpa grade hot-rolled high-toughness low-temperature-resistant h-beam and preparation method therefor

Publications (3)

Publication Number Publication Date
EP3789508A4 true EP3789508A4 (en) 2021-03-10
EP3789508A1 EP3789508A1 (en) 2021-03-10
EP3789508B1 EP3789508B1 (en) 2022-02-09

Family

ID=63756075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18918599.4A Active EP3789508B1 (en) 2018-05-16 2018-12-14 Hot-rolled high-toughness and low-temperature-resistant h-shaped steel with yield strength of 460 mpa and preparation method therefor

Country Status (5)

Country Link
EP (1) EP3789508B1 (en)
JP (1) JP7098828B2 (en)
KR (1) KR20200143466A (en)
CN (1) CN108642381B (en)
WO (1) WO2019218657A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108642381B (en) * 2018-05-16 2020-02-18 山东钢铁股份有限公司 Hot-rolled high-toughness low-temperature-resistant H-shaped steel with yield strength of 460MPa and preparation method thereof
CN112410666B (en) * 2020-11-10 2022-08-19 马鞍山钢铁股份有限公司 Low-cost 460 MPa-grade excellent low-temperature toughness hot-rolled H-shaped steel and production method thereof
CN113604735B (en) * 2021-07-20 2022-07-12 山东钢铁股份有限公司 Hot-rolled low-temperature-resistant H-shaped steel with yield strength of 420MPa and preparation method thereof
CN113546960A (en) * 2021-07-27 2021-10-26 山西通才工贸有限公司 Micro-alloying-free rolling and cooling control method for slitting rolling of bar deformed steel bar
CN113699441B (en) * 2021-07-29 2022-10-04 马鞍山钢铁股份有限公司 Flange super-thick hot-rolled H-shaped steel with good low-temperature impact toughness and production method thereof
CN114000035A (en) * 2021-11-04 2022-02-01 南阳汉冶特钢有限公司 Production method of atmospheric corrosion resistant high-strength extra-thick Q390GNH steel plate
CN115418559B (en) * 2022-07-20 2023-11-07 山东钢铁股份有限公司 High-strength and high-toughness hot rolled H-shaped steel for building and preparation method thereof
CN115807188B (en) * 2022-11-23 2024-04-30 徐工集团工程机械股份有限公司 Low-carbon steel and preparation method thereof
CN116254468B (en) * 2022-12-29 2024-03-12 莱芜钢铁集团银山型钢有限公司 420 MPa-grade high-toughness steel plate for wind power and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103243272A (en) * 2013-05-25 2013-08-14 马钢(集团)控股有限公司 Rolling process of vanadium-containing weather-resistant hot-rolling H-shaped steel with yield strength of 500 MPa
CN103667910A (en) * 2013-12-13 2014-03-26 莱芜钢铁集团有限公司 Hot-rolled H-shaped steel with excellent low-temperature impact toughness and manufacturing method thereof
US20150204071A1 (en) * 2012-11-26 2015-07-23 Nippon Steel & Sumitomo Metal Corporation H-section steel and method for producing the same
WO2018043491A1 (en) * 2016-08-29 2018-03-08 新日鐵住金株式会社 Rolled h-beam steel and production method therefor

Family Cites Families (11)

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JP3733727B2 (en) * 1997-12-26 2006-01-11 Ｊｆｅスチール株式会社 Method for producing ultra-thick H-section steel for building structures having a tensile strength of 590 MPa that is excellent in toughness in the flange thickness direction as it is rolled
JPH11315345A (en) * 1998-04-30 1999-11-16 Kawasaki Steel Corp Welded wide flange shape
JP2001262225A (en) * 2000-03-14 2001-09-26 Nkk Corp Method for producing exra-thick wide flange shape
JP5884148B2 (en) * 2010-04-16 2016-03-15 Ｊｆｅスチール株式会社 Thick steel plate excellent in coating film peeling resistance and method for producing the same
CN102851596B (en) * 2011-06-28 2015-10-07 鞍钢股份有限公司 Low-cost 490 MPa-level fire-resistant steel plate for building structure and manufacturing method thereof
JP5867651B2 (en) * 2013-03-14 2016-02-24 新日鐵住金株式会社 H-section steel and its manufacturing method
JP6361278B2 (en) * 2014-05-16 2018-07-25 新日鐵住金株式会社 Manufacturing method of rolled steel
JP6354572B2 (en) * 2014-10-27 2018-07-11 新日鐵住金株式会社 Low-temperature H-section steel and its manufacturing method
CN104630625B (en) * 2015-01-28 2017-05-17 山东钢铁股份有限公司 Low-temperature-resistant hot-rolled H-shaped steel and preparation method thereof
CN105256246A (en) * 2015-10-22 2016-01-20 南京钢铁股份有限公司 Method for producing thin-specification and high-strength atmosphere corrosion resistance structural steel plate
CN108642381B (en) * 2018-05-16 2020-02-18 山东钢铁股份有限公司 Hot-rolled high-toughness low-temperature-resistant H-shaped steel with yield strength of 460MPa and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150204071A1 (en) * 2012-11-26 2015-07-23 Nippon Steel & Sumitomo Metal Corporation H-section steel and method for producing the same
CN103243272A (en) * 2013-05-25 2013-08-14 马钢(集团)控股有限公司 Rolling process of vanadium-containing weather-resistant hot-rolling H-shaped steel with yield strength of 500 MPa
CN103667910A (en) * 2013-12-13 2014-03-26 莱芜钢铁集团有限公司 Hot-rolled H-shaped steel with excellent low-temperature impact toughness and manufacturing method thereof
WO2018043491A1 (en) * 2016-08-29 2018-03-08 新日鐵住金株式会社 Rolled h-beam steel and production method therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019218657A1 *

Also Published As

Publication number Publication date
WO2019218657A1 (en) 2019-11-21
JP7098828B2 (en) 2022-07-11
CN108642381B (en) 2020-02-18
EP3789508B1 (en) 2022-02-09
EP3789508A1 (en) 2021-03-10
JP2021523304A (en) 2021-09-02
CN108642381A (en) 2018-10-12
KR20200143466A (en) 2020-12-23

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